Oxygen-free silver-bearing Copper, UNS C10400

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Oxygen-free silver-bearing Copper, UNS C10400
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Good to excellent corrosion resistance. Excellent hot and cold workability; good forgeability. Fabricated by coining, coppersmithing, drawing and upsetting, hot forging and pressing, spinning, swaging, stamping. Applications: auto gaskets, radiators, busbars, conductivity wire, contacts, radio parts, winding, switches, terminals, commutator segments, chemical process equipment, printing rolls, clad metals, printed circuit foil. Available as flat products, rod, wire, tube and shapes. Similar alloys distinguished only by silver content: 8 oz/ton Ag (UNS C10400), 10 oz/ton Ag (UNS C10500), 25 oz/ton Ag (UNS C10700).
Key Words:	AMSIL Copper; Oxygen-free Silver-Copper
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Physical Properties	Original Value	Comments

Density	8.94 g/cc	UNS C10700

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	221 - 455 MPa
	70.0 MPa @Temperature 450 °C	0.114 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	70.0 MPa @Temperature 450 °C	0.085 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	70.0 MPa @Temperature 450 °C	0.044 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	70.0 MPa @Temperature 450 °C	silver free; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	75.0 MPa @Temperature 400 °C	0.044 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	75.0 MPa @Temperature 350 °C	silver free; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	75.0 MPa @Temperature 415 °C	0.085 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	75.0 MPa @Temperature 440 °C	0.114 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	100 MPa @Temperature 420 °C	0.114 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	100 MPa @Temperature 400 °C	0.085 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	100 MPa @Temperature 375 °C	0.044 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	100 MPa @Temperature 320 °C	silver free; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	150 MPa @Temperature 295 °C	silver free; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	150 MPa @Temperature 360 °C	0.044 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	150 MPa @Temperature 275 °C	0.085 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	150 MPa @Temperature 400 °C	0.114 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	200 MPa @Temperature 390 °C	0.114 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	200 MPa @Temperature 285 °C	silver free; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	200 MPa @Temperature 370 °C	0.085 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	200 MPa @Temperature 350 °C	0.044 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	300 MPa @Temperature 360 °C	0.085 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	300 MPa @Temperature 335 °C	0.044 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	300 MPa @Temperature 380 °C	0.114 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	300 MPa @Temperature 270 °C	silver free; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	350 MPa @Temperature 260 °C	silver free; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	350 MPa @Temperature 375 °C	0.114 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	350 MPa @Temperature 325 °C	0.044 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	350 MPa @Temperature 350 °C	0.085 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	400 MPa @Temperature 320 °C	0.085 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	400 MPa @Temperature 345 °C	0.114 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	400 MPa @Temperature 225 °C	silver free; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	400 MPa @Temperature 290 °C	0.044 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	410 MPa @Temperature 200 °C	0.044 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	410 MPa @Temperature 200 °C	silver free; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	410 MPa @Temperature 200 °C	0.114 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
	410 MPa @Temperature 200 °C	0.085 Ag; wire cold worked 90% to a diameter of 2mm and then annealed 1/2 h at various temperatures
Tensile Strength, Yield	69.0 - 365 MPa	Depending on temper
Elongation at Break	55 %	in 101.6 mm (4 in.)
Modulus of Elasticity	115 GPa
Poissons Ratio	0.30	Calculated
Machinability	20 %	UNS C36000 (free-cutting brass) = 100%
Forgeability	65 %
Shear Modulus	44.0 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000172 ohm-cm	100% IACS

Thermal Properties	Original Value	Comments
CTE, linear	17.0 µm/m-°C @Temperature 20.0 - 100 °C
	17.3 µm/m-°C @Temperature 20.0 - 200 °C
	17.7 µm/m-°C @Temperature 20.0 - 300 °C
Thermal Conductivity	388 W/m-K @Temperature 20.0 °C
Melting Point	1083 °C
Solidus	1083 °C
Annealing Point	>= 900 °F

Component Elements Properties	Original Value	Comments
Copper, Cu	>= 99.95 %	Includes Ag
Silver, Ag	>= 0.027 %	Min 8 troy oz./ton

References for this datasheet.

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MC10400d2 / 10470

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